261316608

素因数分解:

$2^{13}\times 3^1\times 7^3\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 224

約数和(自身を含む): 838809600

約数和(自身を除く): 577492992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 49, 56, 62, 64, 84, 93, 96, 98, 112, 124, 128, 147, 168, 186, 192, 196, 217, 224, 248, 256, 294, 336, 343, 372, 384, 392, 434, 448, 496, 512, 588, 651, 672, 686, 744, 768, 784, 868, 896, 992, 1024, 1029, 1176, 1302, 1344, 1372, 1488, 1519, 1536, 1568, 1736, 1792, 1984, 2048, 2058, 2352, 2604, 2688, 2744, 2976, 3038, 3072, 3136, 3472, 3584, 3968, 4096, 4116, 4557, 4704, 5208, 5376, 5488, 5952, 6076, 6144, 6272, 6944, 7168, 7936, 8192, 8232, 9114, 9408, 10416, 10633, 10752, 10976, 11904, 12152, 12288, 12544, 13888, 14336, 15872, 16464, 18228, 18816, 20832, 21266, 21504, 21952, 23808, 24304, 24576, 25088, 27776, 28672, 31744, 31899, 32928, 36456, 37632, 41664, 42532, 43008, 43904, 47616, 48608, 50176, 55552, 57344, 63488, 63798, 65856, 72912, 75264, 83328, 85064, 86016, 87808, 95232, 97216, 100352, 111104, 126976, 127596, 131712, 145824, 150528, 166656, 170128, 172032, 175616, 190464, 194432, 200704, 222208, 253952, 255192, 263424, 291648, 301056, 333312, 340256, 351232, 380928, 388864, 401408, 444416, 510384, 526848, 583296, 602112, 666624, 680512, 702464, 761856, 777728, 888832, 1020768, 1053696, 1166592, 1204224, 1333248, 1361024, 1404928, 1555456, 1777664, 2041536, 2107392, 2333184, 2666496, 2722048, 2809856, 3110912, 4083072, 4214784, 4666368, 5332992, 5444096, 6221824, 8166144, 8429568, 9332736, 10888192, 12443648, 16332288, 18665472, 21776384, 32664576, 37330944, 43552768, 65329152, 87105536, 130658304, 261316608]

約数ペア:

[(1, 261316608), (2, 130658304), (3, 87105536), (4, 65329152), (6, 43552768), (7, 37330944), (8, 32664576), (12, 21776384), (14, 18665472), (16, 16332288), (21, 12443648), (24, 10888192), (28, 9332736), (31, 8429568), (32, 8166144), (42, 6221824), (48, 5444096), (49, 5332992), (56, 4666368), (62, 4214784), (64, 4083072), (84, 3110912), (93, 2809856), (96, 2722048), (98, 2666496), (112, 2333184), (124, 2107392), (128, 2041536), (147, 1777664), (168, 1555456), (186, 1404928), (192, 1361024), (196, 1333248), (217, 1204224), (224, 1166592), (248, 1053696), (256, 1020768), (294, 888832), (336, 777728), (343, 761856), (372, 702464), (384, 680512), (392, 666624), (434, 602112), (448, 583296), (496, 526848), (512, 510384), (588, 444416), (651, 401408), (672, 388864), (686, 380928), (744, 351232), (768, 340256), (784, 333312), (868, 301056), (896, 291648), (992, 263424), (1024, 255192), (1029, 253952), (1176, 222208), (1302, 200704), (1344, 194432), (1372, 190464), (1488, 175616), (1519, 172032), (1536, 170128), (1568, 166656), (1736, 150528), (1792, 145824), (1984, 131712), (2048, 127596), (2058, 126976), (2352, 111104), (2604, 100352), (2688, 97216), (2744, 95232), (2976, 87808), (3038, 86016), (3072, 85064), (3136, 83328), (3472, 75264), (3584, 72912), (3968, 65856), (4096, 63798), (4116, 63488), (4557, 57344), (4704, 55552), (5208, 50176), (5376, 48608), (5488, 47616), (5952, 43904), (6076, 43008), (6144, 42532), (6272, 41664), (6944, 37632), (7168, 36456), (7936, 32928), (8192, 31899), (8232, 31744), (9114, 28672), (9408, 27776), (10416, 25088), (10633, 24576), (10752, 24304), (10976, 23808), (11904, 21952), (12152, 21504), (12288, 21266), (12544, 20832), (13888, 18816), (14336, 18228), (15872, 16464)]